Home / 2,221,385-3,332,201.20-623,822.96

Finding the Fourth Proportional to 2,221,385, 3,332,201.20 and 623,822.96

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Solution

The fourth proportional to 2,221,385, 3,332,201.20 and 623,822.96 is: 935,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,385 : 3,332,201.20 = 623,822.96 : x
  2. Step 2: Convert to fraction form
    2,221,385/3,332,201.20 = 623,822.96/x
  3. Step 3: Cross multiply
    2,221,385x = 3,332,201.20 × 623,822.96
  4. Step 4: Simplify right side
    2,221,385x = 2,078,703,615,899.55
  5. Step 5: Solve for x
    x = 2,078,703,615,899.55/2,221,385
  6. Step 6: Final answer
    x = 935,769.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.